TM-9-2320-338-10
TRUCK, CARGO, 8X8, M977A4
TECHNICAL MANUAL; OPERATOR'S MANUAL
OCTOBER 2008
TM-9-2320-338-10 - Page 529 of 1120
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8
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M977A4 SHOWN
Allison
Transmission
TRAILER
AIR SUPPLY
M
M
4
3
2
Figure 23.
91. Set PTO ENGAGE switch (2) to ON position. Indicator light (3) will illuminate.
92. Set HYD ENABLE switch (2) to on position. MAIN HYD ENABLE indicator (3) will
illuminate.
TM 9-2320-338-10
0084
0084-25
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